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      1 /*
      2  * Copyright  2011 Intel Corporation
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     21  * DEALINGS IN THE SOFTWARE.
     22  */
     23 #include "fake_glx_screen.h"
     24 
     25 struct glx_screen_vtable fake_glx_screen::vt = {
     26    indirect_create_context,
     27    indirect_create_context_attribs,
     28    NULL,
     29    NULL,
     30 };
     31 
     32 struct glx_screen_vtable fake_glx_screen_direct::vt = {
     33    fake_glx_context_direct::create,
     34    fake_glx_context_direct::create_attribs,
     35    NULL,
     36    NULL,
     37 };
     38 
     39 const struct glx_context_vtable fake_glx_context::vt = {
     40    fake_glx_context::destroy,
     41    NULL,
     42    NULL,
     43    NULL,
     44    NULL,
     45    NULL,
     46    NULL,
     47    NULL,
     48    NULL,
     49 };
     50 
     51 int fake_glx_context::contexts_allocated = 0;
     52 
     53 extern "C" struct glx_context *
     54 indirect_create_context(struct glx_screen *psc, struct glx_config *mode,
     55 			struct glx_context *shareList, int renderType)
     56 {
     57    (void) shareList;
     58    (void) renderType;
     59 
     60    return new fake_glx_context(psc, mode);
     61 }
     62 
     63 extern "C" struct glx_context *
     64 indirect_create_context_attribs(struct glx_screen *base,
     65 				struct glx_config *config_base,
     66 				struct glx_context *shareList,
     67 				unsigned num_attribs,
     68 				const uint32_t *attribs,
     69 				unsigned *error)
     70 {
     71    (void) num_attribs;
     72    (void) attribs;
     73    (void) error;
     74 
     75    return indirect_create_context(base, config_base, shareList, 0);
     76 }
     77 
     78 #ifdef GLX_USE_APPLEGL
     79 #warning Indirect GLX tests are not built
     80 extern "C" struct glx_context *
     81 applegl_create_context(struct glx_screen *base,
     82 		       struct glx_config *config_base,
     83 		       struct glx_context *shareList,
     84 		       int renderType)
     85 {
     86    return indirect_create_context(base, config_base, shareList, renderType);
     87 }
     88 #endif
     89 
     90 /* This is necessary so that we don't have to link with glxcurrent.c
     91  * which would require us to link with X libraries and what not.
     92  */
     93 GLubyte dummyBuffer[__GLX_BUFFER_LIMIT_SIZE];
     94 struct glx_context_vtable dummyVtable;
     95 struct glx_context dummyContext = {
     96    &dummyBuffer[0],
     97    &dummyBuffer[0],
     98    &dummyBuffer[0],
     99    &dummyBuffer[__GLX_BUFFER_LIMIT_SIZE],
    100    sizeof(dummyBuffer),
    101    &dummyVtable
    102 };
    103 __thread void *__glX_tls_Context = &dummyContext;
    104 
    105 #if !defined(GLX_USE_TLS)
    106 extern "C" struct glx_context *
    107 __glXGetCurrentContext()
    108 {
    109  return (struct glx_context *) __glX_tls_Context;
    110 }
    111 #endif
    112